IP Library › Assignment 011112/0211
Patent Assignment
Reel/Frame 011112/0211

Assignment of Assignor's Interest

Recorded: 2000-09-22 Pages: 3
Assignor
VAIL, WILLIAM BANNING III.
Executed: 2000-09-22
Assignee
SMART DRILLING AND COMPLETION, INC.
3123 - 198TH PLACE SE, BOTHELL, WASHINGTON, 98012
Covered Property (1)
One Pass Drilling and Completion of Wellbores with Drill Bit Attached to Drill String to Make Cased Wellbores to Produce Hydrocarbons
Patent: 6,158,531 →
Application: 09/294,077 →
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jun 12, 2003
From: SMART DRILLING AND COMPLETION, INC.
To: WEATHERFORD/LAMB, INC.
Reel/Frame 014154/0736 →
Assignment of Assignor's Interest Sep 29, 2003
From: SMART DRILLING AND COMPLETION, INC.
To: WEATHERFORD/LAMB, INC.
Reel/Frame 014007/0971 →